You mean you don't bump your semver by 8 major versions when you add markdown exports?
Not semver any more, it's year numbers now.
They haven't officially announced it.
As another commenter said, they haven't officially announced it yet. That said, it's all I've heard about in the Apple world for the last couple of days¹, so it may just be that you don't follow Apple news closely.
¹ well that and the iOS redesign.
There is an iOS redesign?
Yeah, also just an unconfirmed rumor until next week, but supposedly it's going to be "glassy."